

public class App{
    public static void main(String[] args){
        int len = 121;
        // 类名大写
        int[] arr = new int[32];
        // 对半
        double hd = len / 2.000;
        int half = len / 2;
        System.out.println(hd);
        System.out.println(half);
        System.out.println("this is from vs code editor");
    }
}
